package com.wyp168.leetcode.listnode;

public class ListNode {
     int val;
     ListNode next;

     public ListNode() {
     }

     public ListNode(int val) {
          this.val = val;
     }

     public ListNode(int val, ListNode next) {
          this.val = val;
          this.next = next;
     }

     @Override
     public String toString() {
          return "ListNode{" +
                  "val=" + val +
                  ", next=" + next +
                  '}';
     }

}
